diff --git a/tests/suites/test_suite_constant_time.function b/tests/suites/test_suite_constant_time.function
index dbcc9f7..d8a1fcc 100644
--- a/tests/suites/test_suite_constant_time.function
+++ b/tests/suites/test_suite_constant_time.function
@@ -329,11 +329,10 @@
         buf_expected[i] = buf[i];
     }
 
-    //Note: Marking o as secret causes false positives from Memsan
-    //TEST_CF_SECRET(&o, sizeof(o));
+    TEST_CF_SECRET(&o, sizeof(o));
     TEST_CF_SECRET(buf, l);
     mbedtls_ct_memmove_left(buf, l, o);
-    //TEST_CF_PUBLIC(&o, sizeof(o));
+    TEST_CF_PUBLIC(&o, sizeof(o));
     TEST_CF_PUBLIC(buf, l);
 
     if (l > 0) {